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help / color / mirror / Atom feedFrom: Tom Lane <[email protected]>
To: Nathan Bossart <[email protected]>
Cc: Ayush Vatsa <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: David G. Johnston <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Clarification on Role Access Rights to Table Indexes
Date: Sun, 09 Mar 2025 11:48:05 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <Z8zwVmGzXyDdkAXj@nathan>
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Nathan Bossart <[email protected]> writes:
> On Sat, Mar 08, 2025 at 05:17:40PM -0500, Tom Lane wrote:
>> ReindexIndex() faces this same problem and solves it with some
>> very complex code that manages to get the table's lock first.
> I noticed that amcheck's bt_index_check_internal() handles this problem,
> ...
> stats_lock_check_privileges() does something similar, but it's not as
> cautious about the "heapid != IndexGetRelation(indrelid, false)" race
> condition.
Egad, we've already got three inconsistent implementations of this
functionality? I think the first step must be to unify them into
a common implementation, if at all possible.
regards, tom lane
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Subject: Re: Clarification on Role Access Rights to Table Indexes
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